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Old 07-03-2013, 08:25 AM   #1
myk
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Default Open loop maf scaling, running leaner then before!

I used badnoodles spreadsheet along with airboys because I was running leaner up top due to higher flow but after running it all the new values put lower g/s values up top and now it seems I am leaner then I was before. I used 3 WOT runs from 2k to redline and the input from my LC-1.

Followed the instructions on the romraider forums and it gave me a new maf scale just not what I thought it would be according to my own interpretation of the logs

I'm not really sure what the hell is going on, it did account for the higher flow down low and helped smoothed it out but it screwed it up on the higher end :/

Anyone have any input?
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Old 07-03-2013, 09:57 AM   #2
the suicidal eggroll
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You seem to already know what needs to be done, so why not just do it? This is the problem with "tuning spreadsheets"...sometimes poly fits go haywire and they end up telling you to do the opposite of what you need to do. There should have been a time somewhere in there where you said "wait, my corrections need to go the other direction", and ignored what the spreadsheet was telling you. Common sense trumps spreadsheets.
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Old 07-04-2013, 02:47 PM   #3
myk
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I suppose I just put to much faith in the spreadsheet. I ran it again and manually omitted some values. Ended up with a much better curve and ended up just manually smoothing it out.
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Old 07-04-2013, 04:05 PM   #4
the suicidal eggroll
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Good move

Tuning tools, especially spreadsheets, are meant to be used as a guide to accelerate your tuning. Their results should never be taken verbatim without verifying everything looks right though.
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